Nonstop flight route between SeaTac (near Seattle and Tacoma), Washington, United States and Kathmandu, Nepal:

About this route:

A direct, nonstop flight between Seattle–Tacoma International Airport (SEA), SeaTac (near Seattle and Tacoma), Washington, United States and Tribhuvan International Airport (KTM), Kathmandu, Nepal would travel a Great Circle distance of 6,967 miles (or 11,212 kilometers).

A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the large distance between Seattle–Tacoma International Airport and Tribhuvan International Airport, the route shown on this map most likely appears curved because of this reason.

Try it at home! Get a globe and tightly lay a string between Seattle–Tacoma International Airport and Tribhuvan International Airport. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

Arrival Airport Information:

Facts about Seattle–Tacoma International Airport (SEA):

• Seattle's Central Link light-rail line serves the airport at the SeaTac/Airport Station, which opened on December 19, 2009.
• The closest airport to Seattle–Tacoma International Airport (SEA) is Renton Municipal Airport (RNT), which is located only 5 miles (9 kilometers) NE of SEA.
• Because of Seattle–Tacoma International Airport's relatively low elevation of 433 feet, planes can take off or land at Seattle–Tacoma International Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
• The furthest airport from Seattle–Tacoma International Airport (SEA) is Tôlanaro Airport (FTU), which is located 10,781 miles (17,350 kilometers) away in Tôlanaro, Madagascar.
• Seattle–Tacoma International Airport (SEA) has 3 runways.
• Seattle–Tacoma International Airport handled 34,776,666 passengers last year.
• The two-story North Concourse added four new gate positions and a new wing 600 feet long and 30 feet wide.
• In addition to being known as "Seattle–Tacoma International Airport", another name for SEA is "Sea–Tac Airport".
• In 2007 the airport, together with the University of Illinois Center of Excellence for Airport Technology, became the first airport to implement an avian radar system providing 24-hour monitoring of wildlife activity across the airfield.
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• Interstate 5 and its offshoot Interstate 405 intersect very close to the airport, and most people use private vehicles to arrive at the airport.
• The three parallel runways run nearly north–south, west of the passenger terminal, and are 8,500 to 11,900 feet long.

Facts about Tribhuvan International Airport (KTM):

• The first jet aircraft to land at Tribhuvan was a Air india Boeing 707, which touched down on the 6,600 feet runway in 1967.
• Because of Tribhuvan International Airport's high elevation of 4,390 feet, planes must typically fly at a faster airspeed in order to takeoff or land at KTM. Combined with a high temperature, this could make KTM a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
• Tribhuvan International Airport handled 3,405,015 passengers last year.
• Radisson Hotel Kathmandu operates an executive lounge for first and business class passengers for some airlines and Thai Airways International operates a business lounge for its business-class passengers, as well as Star Alliance Gold card holders.
• The closest airport to Tribhuvan International Airport (KTM) is Ramechhap Airport (RHP), which is located 48 miles (77 kilometers) ESE of KTM.
• In addition to being known as "Tribhuvan International Airport", another name for KTM is "त्रिभुवन अन्तर्राष्ट्रिय विमानस्थल".
• The furthest airport from Tribhuvan International Airport (KTM) is Mataveri International Airport (IPC), which is located 11,530 miles (18,556 kilometers) away in Easter Island, Chile.
• In 1955 the airport was inaugurated by King Mahendra and renamed Tribhuvan Airport in memory of the king's father.
• Tribhuvan International Airport (KTM) currently has only 1 runway.